diff --git a/masque/utils.py b/masque/utils.py
index 59e8169..0f5db05 100644
--- a/masque/utils.py
+++ b/masque/utils.py
@@ -21,10 +21,10 @@ def is_scalar(var: Any) -> bool:
 
 def get_bit(bit_string: Any, bit_id: int) -> bool:
     """
-    Returns true iff bit number 'bit_id' from the right of 'bitstring' is 1
+    Returns true iff bit number 'bit_id' from the right of 'bit_string' is 1
 
-    :param bit_string: st
-    :param bit_id:
+    :param bit_string: Bit string to test
+    :param bit_id: Bit number, 0-indexed from the right (lsb
     :return: value of the requested bit (bool)
     """
     return bit_string & (1 << bit_id) != 0